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  1. Prepare
  2. Python
  3. Collections
  4. Collections.OrderedDict()
  5. Discussions

Collections.OrderedDict()

  • howard_lockward
     + 0 comments
    from collections import OrderedDict
purchases = OrderedDict()
N = int(input())

for _ in range(N):
    inputs = input().split()
    item = ' '.join(inputs[:-1])
    try:
        purchases[item] += int(inputs[-1])
    except KeyError:
        purchases[item] = int(inputs[-1])

for item, price in purchases.items():
    print(item, price)